Kiss Shot destroys Antartica just by jumping. First off, what are the dimensions of Antartica's rocky and icy parts. The ice shelf covering Antartica is 14000000km^2, or 1.4e+13m^2. The ice shelf is on average 1.9km thick, or 1900m.

V = Ah
= 1.4e+13 X 1900
= 2.66e16m^3

The fragmentation looks pretty violent. Violent fragmentation of ice is 0.825 joules per cm^3, or 825000 joules per m^3.

E = 2.66e16 X 825000
= 2.1945e22 joules

Save that for the end. What about the rocky bit? The average elevation in Antartica is 2500m above sea level.

All Might leaps up the tower on I-Island, ripping the walls of said tower as he goes. Keep in mind, this is a really tall tower. Not sure if Wolfram and his terrorists are Japanese or not, but most characters in MHA are, and he did visit All For One, so we'll be using average height of a Japanese man is 171.2cm, or 1.761m

Enter that through the angscaler, and we have us a distance of 5.24808394m. That's not the total distance though; we also have the distance of the other students attacking Class 1-A. Given the 16 from this point on, we'll be going with the average height of Japanese 16 year olds, the boy for the depth, the girl for the distance. The average height of a 16 year old Japanese boy is 169.4cm (1.694m) and the 16 year old Japanese girl is 157.5cm (1.575m). Scaling the boy's head and torso differently because he's hunched over.

Interviewer: The movie contains an original story, but does it have any correlation to the current story in the serialized manga?

Kohei Horikoshi: I always wanted to include a chapter about All Might’s past, or rather, I thought that I definitely NEED to write about his past. In the movie, the young All Might is shown studying abroad in America, and I thought this might not be something that could be brought up anymore in the actual manga story up until now, so I saw the movie as a chance to present this. Of course, without a doubt, the movie and manga are adjoined, and the movie is connected to the manga story that happens after it.

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Now onto the feat.

0:34

Spoiler:

Izuku and Allmight halt and destroy a massive block of metal that Wolfram throws at them. That's the best quality version, but unfortunately bits of it are cropped out, so we'll look at some other videos to get the full image. The average height of a Japanese man is 171.2cm, or 1.761m (I don't even recall if Wolfram is Japanese or not, but it's good to go with for now).

The events of Super Watermelon Island take place right before the Summer of Steven event, so I think it's safe to assume this happened in either Spring or Summer. Mask Island resides within the Atlantic Ocean.

The tripods emerging from the ground cause earthquakes. Earlier in the movie, we're given the exact magnitude, so this will be easy.

War of the Worlds (2005) said:

News Repoter: The Ukraine, a country of some 52 million people, is in almost total blackness tonight, in the wake of a series of freakish lightning storms of catastrophic proportion, which struck the country at approximately 4 a. m. Local time. EMP, or electromagnetic pulse, which causes a temporary interruption of all electrical current within its field. As in the Ukraine, there are scattered reports that the EMP here was followed by seismic activity on the scale of an earthquake, measuring 6.5 on the Richter scale.

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Enter 6.5 into the earthquake calculator and have you 3.5481338923358E+14 joules, or 84.802435285272466103 kilotons.